Graphviz dot examples

example.dot

digraph {
	//rankdir=LR
	node[fontname=Roboto, style=rounded, shape=box]
	edge[fontname=Roboto]
	api_gateway [label=<api gateway<br/><font point-size="10">port:123</font>>]
	config [label=<config<br/><font point-size="10">port:456</font>>]
	discovery [label=<discovery<br/><font point-size="10">port:789</font>>]
	hello [label="hello service"]
	foo [label="foo service"]
	bar [label="bar service"]
	api_gateway -> discovery [color=blue]
	config -> discovery [label="register",style=dashed]
	discovery -> config [label="use",color=blue]
	hello -> discovery [style=dashed]
	hello -> config [color=blue]
	api_gateway -> hello [label="expose",color=green]
	foo -> config [color=blue]
	foo -> discovery [style=dashed]
	api_gateway -> foo [color=green]
	bar -> config [color=blue]
	bar -> discovery [style=dashed]
	api_gateway -> bar [color=green]
}